At a Charity summer fair, AED: 14,677 was collected. And in the similar fair in winter, AED: 18,340 were collected. a) How much amount was collected altogether? b) In which season the amount collected was more
and by how much more?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.